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Finding the Fourth Proportional to 528,033.45, 792,105.54 and 148,951.17

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Solution

The fourth proportional to 528,033.45, 792,105.54 and 148,951.17 is: 223,442.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,033.45 : 792,105.54 = 148,951.17 : x
  2. Step 2: Convert to fraction form
    528,033.45/792,105.54 = 148,951.17/x
  3. Step 3: Cross multiply
    528,033.45x = 792,105.54 × 148,951.17
  4. Step 4: Simplify right side
    528,033.45x = 117,985,046,946.48
  5. Step 5: Solve for x
    x = 117,985,046,946.48/528,033.45
  6. Step 6: Final answer
    x = 223,442.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.